//引入echarts
import * as echarts from 'echarts/core'

//引入柱状图，折线图
import {
  BarChart, 
  LineChart,
  PieChart
} from 'echarts/charts'

// 引入提示框，标题，直角坐标系，数据集，内置数据转换器组件，组件后缀都为 Component
import {
  TitleComponent,
  TooltipComponent,
  GridComponent,
  DatasetComponent,
  TransformComponent,
  DataZoomComponent,
  LegendComponent,
} from 'echarts/components';

// 标签自动布局、全局过渡动画等特性
import { LabelLayout, UniversalTransition } from 'echarts/features';

// 引入 Canvas 渲染器，注意引入 CanvasRenderer 或者 SVGRenderer 是必须的一步
import { CanvasRenderer } from 'echarts/renderers';

// 注册必须的组件
echarts.use([
  TitleComponent,
  TooltipComponent,
  GridComponent,
  DatasetComponent,
  TransformComponent,
  DataZoomComponent,
  LegendComponent,
  BarChart,
  LineChart,
  PieChart,
  LabelLayout,
  UniversalTransition,
  CanvasRenderer
]);
export default echarts
